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2003 Western Star 4900ex Parts
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GOODYEAR BELTS
17565 Automotive & HD V-Belt, Select Western Star; Volvo; Jeep; Freightliner; Ford; Peterbilt, 56.5 in. Effective Length
Part Number: 498-17565
$1805
Ships on 10/13/2026
Lowest price guarantee
GOODYEAR BELTS
17565 Automotive & HD V-Belt, Select Western Star; Volvo; Jeep; Freightliner; Ford; Peterbilt, 56.5 in. Effective Length
Part Number: 498-17565
Ships on 10/13/2026Lowest Price Guarantee$1805
GOODYEAR BELTS
1060548 Serpentine Belt, Fits Select Makes/Models, K Profile, 6 Ribs, 54.8 in. Effective Length
Part Number: 498-1060548
$1507$24.08
YOU SAVE
$9.01Ships TomorrowLowest price guarantee
GOODYEAR BELTS
1060548 Serpentine Belt, Fits Select Makes/Models, K Profile, 6 Ribs, 54.8 in. Effective Length
Part Number: 498-1060548
Ships TomorrowLowest Price Guarantee$1507 $24.08
YOU SAVE
$9.01
GOODYEAR BELTS
1060685 Serpentine Belt, Fits Select Makes/Models, K Profile, 6 Ribs, 68.5 in. Effective Length
Part Number: 498-1060685
$2805
Ships on 10/13/2026Lowest price guarantee
GOODYEAR BELTS
1060685 Serpentine Belt, Fits Select Makes/Models, K Profile, 6 Ribs, 68.5 in. Effective Length
Part Number: 498-1060685
Ships on 10/13/2026Lowest Price Guarantee$2805
GOODYEAR BELTS
1081088 Serpentine Belt, Select Western Star; International, K Profile, 8 Ribs, 108.8 in. Effective Length
Part Number: 498-1081088
$4340
Ships on 10/13/2026Lowest price guarantee
GOODYEAR BELTS
1081088 Serpentine Belt, Select Western Star; International, K Profile, 8 Ribs, 108.8 in. Effective Length
Part Number: 498-1081088
Ships on 10/13/2026Lowest Price Guarantee$4340
GOODYEAR BELTS
1115 Coolant Straight Hose,2.5in. I.D, 36 in. Length Fits Select Make/Models
Part Number: 498-1115
$9786
Ships on 10/15/2026Lowest price guarantee
GOODYEAR BELTS
1115 Coolant Straight Hose,2.5in. I.D, 36 in. Length Fits Select Make/Models
Part Number: 498-1115
Ships on 10/15/2026Lowest Price Guarantee$9786
GOODYEAR BELTS
55171 Automatic Drive Belt Tensioner Select Sterling Truck; American LaFrance; Western Star; Freightliner; Kenworth; Peterbilt
Part Number: 498-55171
$10527$167.77
YOU SAVE
$62.50Ships TomorrowLowest price guarantee
GOODYEAR BELTS
55171 Automatic Drive Belt Tensioner Select Sterling Truck; American LaFrance; Western Star; Freightliner; Kenworth; Peterbilt
Part Number: 498-55171
Ships TomorrowLowest Price Guarantee$10527 $167.77
YOU SAVE
$62.50
GOODYEAR BELTS
55709 Automatic Drive Belt Tensioner Select Sterling Truck; American LaFrance; Western Star; Freightliner
Part Number: 498-55709
$12250
Ships on 10/15/2026Lowest price guarantee
GOODYEAR BELTS
55709 Automatic Drive Belt Tensioner Select Sterling Truck; American LaFrance; Western Star; Freightliner
Part Number: 498-55709
Ships on 10/15/2026Lowest Price Guarantee$12250
HPS PERFORMANCE
CAC-3687223 EGR Hose, 4-Ply Aramid Reinforced Fluorolined Silicone, Replaces Stock Egr Hose.
Part Number: 589-CAC-3687223
$5417
Ships on 10/21/2026Lowest price guarantee
HPS PERFORMANCE
CAC-3687223 EGR Hose, 4-Ply Aramid Reinforced Fluorolined Silicone, Replaces Stock Egr Hose.
Part Number: 589-CAC-3687223
Ships on 10/21/2026Lowest Price Guarantee$5417
![FRM2A SES HD Rear Kit Fits Select Western Star 4900; Freightliner M2 106/M2 112/Columbia [Rated Capacity: 20000 lbs.]](https://www.jegs.com/images/mini_100/300/392/392-frm2a.jpg)
TIMBREN
FRM2A SES HD Rear Kit Fits Select Western Star 4900; Freightliner M2 106/M2 112/Columbia [Rated Capacity: 20000 lbs.]
Part Number: 392-FRM2A
$66705
Ships on 10/13/2026Lowest price guarantee![FRM2A SES HD Rear Kit Fits Select Western Star 4900; Freightliner M2 106/M2 112/Columbia [Rated Capacity: 20000 lbs.]](https://www.jegs.com/images/mini_200/300/392/392-frm2a.jpg)
TIMBREN
FRM2A SES HD Rear Kit Fits Select Western Star 4900; Freightliner M2 106/M2 112/Columbia [Rated Capacity: 20000 lbs.]
Part Number: 392-FRM2A
Ships on 10/13/2026Lowest Price Guarantee$66705
![FleetRunner Micro-V Serpentine Belt for Select 1988-2023 Kenworth and Other Makes [6-Rib, 69.125 in. Outside Circumference]](https://www.jegs.com/images/mini_100/400/465/465-k060685hd.jpg)
GATES
FleetRunner Micro-V Serpentine Belt for Select 1988-2023 Kenworth and Other Makes [6-Rib, 69.125 in. Outside Circumference]
Part Number: 465-K060685HD
$4041
Ships on 10/16/2026Lowest price guarantee![FleetRunner Micro-V Serpentine Belt for Select 1988-2023 Kenworth and Other Makes [6-Rib, 69.125 in. Outside Circumference]](https://www.jegs.com/images/mini_200/400/465/465-k060685hd.jpg)
GATES
FleetRunner Micro-V Serpentine Belt for Select 1988-2023 Kenworth and Other Makes [6-Rib, 69.125 in. Outside Circumference]
Part Number: 465-K060685HD
Ships on 10/16/2026Lowest Price Guarantee$4041
![FleetRunner Micro-V Serpentine Belt for Select 2001-2023 Western Star and Other Makes [10-Rib, 81.610 in. Outside Circumference]](https://www.jegs.com/images/mini_100/400/465/465-k100810hd.jpg)
GATES
FleetRunner Micro-V Serpentine Belt for Select 2001-2023 Western Star and Other Makes [10-Rib, 81.610 in. Outside Circumference]
Part Number: 465-K100810HD
$15895
Ships on 10/16/2026Lowest price guarantee![FleetRunner Micro-V Serpentine Belt for Select 2001-2023 Western Star and Other Makes [10-Rib, 81.610 in. Outside Circumference]](https://www.jegs.com/images/mini_200/400/465/465-k100810hd.jpg)
GATES
FleetRunner Micro-V Serpentine Belt for Select 2001-2023 Western Star and Other Makes [10-Rib, 81.610 in. Outside Circumference]
Part Number: 465-K100810HD
Ships on 10/16/2026Lowest Price Guarantee$15895
![Silicone Heater Hose [0.625 in. I.D., 25 ft. Length]](https://www.jegs.com/images/mini_100/400/465/465-26241.jpg)
![Silicone Heater Hose [0.625 in. I.D., 25 ft. Length]](https://www.jegs.com/images/mini_200/400/465/465-26241.jpg)
![HST001 SES HD Front Kit Fits Select Western Star 4900/5700; Freightliner Cascadia [Rated Capacity: 16000 lbs.]](https://www.jegs.com/images/mini_100/300/392/392-hst001.jpg)
TIMBREN
HST001 SES HD Front Kit Fits Select Western Star 4900/5700; Freightliner Cascadia [Rated Capacity: 16000 lbs.]
Part Number: 392-HST001
$73375
Ships on 10/13/2026Lowest price guarantee![HST001 SES HD Front Kit Fits Select Western Star 4900/5700; Freightliner Cascadia [Rated Capacity: 16000 lbs.]](https://www.jegs.com/images/mini_200/300/392/392-hst001.jpg)
TIMBREN
HST001 SES HD Front Kit Fits Select Western Star 4900/5700; Freightliner Cascadia [Rated Capacity: 16000 lbs.]
Part Number: 392-HST001
Ships on 10/13/2026Lowest Price Guarantee$73375
![K080565HD FleetRunner Heavy-Duty Micro-V Serpentine Belt 57 in., 8-Rib [85550668, 072053986167]](https://www.jegs.com/images/mini_100/400/465/465-k080565hd.jpg)
GATES
K080565HD FleetRunner Heavy-Duty Micro-V Serpentine Belt 57 in., 8-Rib [85550668, 072053986167]
Part Number: 465-K080565HD
$9715
Ships on Oct 13, 2026Lowest price guarantee![K080565HD FleetRunner Heavy-Duty Micro-V Serpentine Belt 57 in., 8-Rib [85550668, 072053986167]](https://www.jegs.com/images/mini_200/400/465/465-k080565hd.jpg)
GATES
K080565HD FleetRunner Heavy-Duty Micro-V Serpentine Belt 57 in., 8-Rib [85550668, 072053986167]
Part Number: 465-K080565HD
Ships on Oct 13, 2026Lowest Price Guarantee$9715
![Micro-V Serpentine Belt for Select 2001-2023 Western Star and Other Makes [10-Rib, 81.610 in. Outside Circumference]](https://www.jegs.com/images/mini_100/400/465/465-k100810.jpg)
GATES
Micro-V Serpentine Belt for Select 2001-2023 Western Star and Other Makes [10-Rib, 81.610 in. Outside Circumference]
Part Number: 465-K100810
$14510
Ships on Oct 13, 2026Lowest price guarantee![Micro-V Serpentine Belt for Select 2001-2023 Western Star and Other Makes [10-Rib, 81.610 in. Outside Circumference]](https://www.jegs.com/images/mini_200/400/465/465-k100810.jpg)
GATES
Micro-V Serpentine Belt for Select 2001-2023 Western Star and Other Makes [10-Rib, 81.610 in. Outside Circumference]
Part Number: 465-K100810
Ships on Oct 13, 2026Lowest Price Guarantee$14510
![Micro-V Serpentine Belt Fits Select Blue Bird, Kenworth, Mack and Western Star Models [10-Rib, 68.050 in. Outside Circumference]](https://www.jegs.com/images/mini_100/400/465/465-k100675.jpg)
GATES
Micro-V Serpentine Belt Fits Select Blue Bird, Kenworth, Mack and Western Star Models [10-Rib, 68.050 in. Outside Circumference]
Part Number: 465-K100675
$10674
Ships on Oct 13, 2026Lowest price guarantee![Micro-V Serpentine Belt Fits Select Blue Bird, Kenworth, Mack and Western Star Models [10-Rib, 68.050 in. Outside Circumference]](https://www.jegs.com/images/mini_200/400/465/465-k100675.jpg)
GATES
Micro-V Serpentine Belt Fits Select Blue Bird, Kenworth, Mack and Western Star Models [10-Rib, 68.050 in. Outside Circumference]
Part Number: 465-K100675
Ships on Oct 13, 2026Lowest Price Guarantee$10674
![FleetRunner Micro-V Serpentine Belt Fits Select Western Star and Other Makes [10-Rib, 68 in. Outside Circumference]](https://www.jegs.com/images/mini_100/400/465/465-k100675hd.jpg)
GATES
FleetRunner Micro-V Serpentine Belt Fits Select Western Star and Other Makes [10-Rib, 68 in. Outside Circumference]
Part Number: 465-K100675HD
$11106
Ships on Oct 13, 2026Lowest price guarantee![FleetRunner Micro-V Serpentine Belt Fits Select Western Star and Other Makes [10-Rib, 68 in. Outside Circumference]](https://www.jegs.com/images/mini_200/400/465/465-k100675hd.jpg)
GATES
FleetRunner Micro-V Serpentine Belt Fits Select Western Star and Other Makes [10-Rib, 68 in. Outside Circumference]
Part Number: 465-K100675HD
Ships on Oct 13, 2026Lowest Price Guarantee$11106
![Micro-V Serpentine Belt for Select 1997-2007 Western Star and Other Makes [8-Rib, 79.034 in. Outside Circumference]](https://www.jegs.com/images/mini_100/400/465/465-k080785.jpg)
GATES
Micro-V Serpentine Belt for Select 1997-2007 Western Star and Other Makes [8-Rib, 79.034 in. Outside Circumference]
Part Number: 465-K080785
$13472
Ships on Oct 13, 2026Lowest price guarantee![Micro-V Serpentine Belt for Select 1997-2007 Western Star and Other Makes [8-Rib, 79.034 in. Outside Circumference]](https://www.jegs.com/images/mini_200/400/465/465-k080785.jpg)
GATES
Micro-V Serpentine Belt for Select 1997-2007 Western Star and Other Makes [8-Rib, 79.034 in. Outside Circumference]
Part Number: 465-K080785
Ships on Oct 13, 2026Lowest Price Guarantee$13472